Browse Water Systems

434,040 public water systems.

Public Water Systems Database

Browse 434,040 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

System Name PWSID State Type Population Served
WHITE OAK BORO AUTHORITY PA5020077 Pennsylvania Community 9,487
HERNANDO CO UTL-EAST FL6277060 Florida Community 9,483
TRAIL OF THE LAKES MUD TX1010617 Texas Community 9,480
MIRE BRANCH WATER CORPORATION LA1001024 Louisiana Community 9,480
PARSONS, CITY OF KS2009914 Kansas Community 9,479
AQUARION WATER COMPANY, PINEHILLS MA4239055 Massachusetts Community 9,478
BELLBROOK WATER WORKS OH2901112 Ohio Community 9,475
PULASKI, TOWN OF VA1155635 Virginia Community 9,473
HARVARD IL1110250 Illinois Community 9,469
CITY OF INDIANOLA MS0670006 Mississippi Community 9,464
BLACKSTONE WATER DEPARTMENT MA2032000 Massachusetts Community 9,463
WINDBER AREA AUTH PA4560013 Pennsylvania Community 9,463
SMITHFIELD WATER SUPPLY BOARD RI1615616 Rhode Island Community 9,460
COBBLESTONE WTP FL2164406 Florida Community 9,455
HARRIS COUNTY MUD 188 TX1011982 Texas Community 9,453
SHELBY CITY OH7004511 Ohio Community 9,453
PULASKI COUNTY PSA VA1155641 Community 9,452
COWETA PWA OK1021509 Oklahoma Community 9,450
SITKA AK2130075 Alaska Community 9,448
Mound MN1270038 Minnesota Community 9,447
ROCHELLE IL1410500 Illinois Community 9,446
MYOMA DUNES MUTUAL WATER COMPANY CA3310051 California Community 9,445
EL PASO COUNTY WCID 4 FABENS TX0710018 Texas Community 9,444
CITY OF LAMESA TX0580001 Texas Community 9,442
GEORGETOWN DIVIDE PUD CA0910013 California Community 9,434
CONSOLIDATED IRRIG DIST 19 SYSTEM 1 WA5310220 Washington Community 9,434
GLENWOOD SPRINGS CITY OF CO0123314 Colorado Community 9,428
CHELAN WATER DEPT CITY OF WA5312300 Washington Community 9,425
EL JARDIN WSC TX0310022 Texas Community 9,423
FLAMINGO LAS VEGAS HOTEL AND CASINO NV0001175 Nevada Non-Transient Non-Community 9,421
FORT POLK NORTH WATER SYSTEM LA1115064 Louisiana Community 9,420
WYNN RESORTS NV0001141 Nevada Non-Transient Non-Community 9,416
SKAGWAY AK2110601 Alaska Community 9,411
CLARKSVILLE CONNECTED UTILITIES AR0000289 Arkansas Community 9,410
RUSSELL SPRINGS WATER & SEWER KY1040377 Kentucky Community 9,409
HUNTERS GLEN MUD TX1010615 Texas Community 9,405
UNALASKA WATER SYSTEM AK2260309 Alaska Community 9,400
CENTRAL STATE HOSPITAL GA0090006 Georgia Community 9,400
OAK BROOK IL0430700 Illinois Community 9,400
SENECA FALLS NY4901198 New York Community 9,400
BEECHER METROPOLITAN DISTRICT MI0000540 Michigan Community 9,400
CITY OF PONTOTOC MS0580006 Mississippi Community 9,398
LITITZ BORO PA7360126 Pennsylvania Community 9,397
BONDURANT MUNI WATER SUPPLY IA7717032 Iowa Community 9,393
SPRING LAKE TOWNSHIP MI0006235 Michigan Community 9,393
WEST OVERTON UTILITY DISTRICT TN0000578 Tennessee Community 9,392
LYON TOWNSHIP MI0003968 Michigan Community 9,390
LEWISBURG WATER ASSOCIATION MS0170011 Mississippi Community 9,390
Kickapoo Traditional Tribe 061620001 Texas Community 9,384
CITY OF WOODWAY TX1550048 Texas Community 9,383